Finding the Third Proportional to 31,103,638 and 67,867,232

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103,638 : 67,867,232 = 67,867,232 : x
2. Step 2: Convert to fraction form
   31,103,638/67,867,232 = 67,867,232/x
3. Step 3: Cross multiply
   31,103,638x = 67,867,232 × 67,867,232
4. Step 4: Simplify right side
   31,103,638x = 4,605,961,179,341,824
5. Step 5: Solve for x
   x = 4,605,961,179,341,824/31,103,638
6. Step 6: Final answer
   x = 148,084,323.11